#!/bin/bash


IFS=,
scan () {
  str=$1
  ORDER="123456712348"
  p=0; pos=1; bad=Good
  for i in $str; do
      p=`expr index $ORDER $i`
      elem=$i

      if [ $p -lt $pos ]; then
         bad=Bad;
         echo $elem $bad $ORDER $p $pos "<<< We only need to know this"
         else echo $elem $bad $ORDER $p $pos

      fi
      if [ $elem = 8 ];then
         let ORDER="12345671234";
         echo "  order reset >>>" $ORDER; let p=0; let pos=1

      fi

      ORDER=${ORDER:$p:${#ORDER}}

  done
  echo
  echo "string=" $str "status=" $bad
  echo
}

scan "$@"